I'm unabashedly a huge fan of Alton Brown, chef and hero to nerdy would-be cooks the world over. I watch Good Eats almost any time its on, and I feel that as Thanksgiving approaches, it's worth mentioning his episode about deep-fried turkey. He put together detailed instructions and a blueprint that you can download from his website (it's a PDF, just so you know), but I've also included a clip below that shows the Turkey Derrick in action:
[youtube https://www.youtube.com/watch?v=i9mq29BaLLk&rel=1&w=425&h=355]